Oval stone



FIG. 1 is a top, front, and right side perspective view of an oval stone;

FIG. 2 is a bottom, front, and left side perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a left side view thereof, the right side view being a mirror image thereof;

FIG. 6 is a front side view thereof, the rear side view being a mirror image thereof;

FIG. 7 is a top, front, and right side perspective view of an alternative embodiment of an oval stone;

FIG. 8 is a bottom, front, and left side perspective view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof; and

FIG. 11 is a left side view thereof, the right side view being a mirror image thereof; and,

FIG. 12 is a front side view thereof, the rear side view being a mirror image thereof.

The broken lines in FIGS. 1, 2, 4, 5, 6, 7, 8, 10, 11, and 12 depict portions of the oval stone that form no part of the claimed design. 

CLAIM We claim the ornamental design for an oval stone, as shown and described. 